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| silicon | |||
| silicon A brittle metalloid element that exists in two allotropic forms; occurs principally in sand, quartz, granite, feldspar, and clay. It is usually a grey crystalline solid but is also found as a brown amorphous powder. It is used in transistors, rectifiers, solar cells, and alloys. Its compounds are widely used in glass manufacture, the building industry, and in the form of silicones | |||
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silicium : 80 do fraz, 11 tematyki |
| Chemia | 18 |
| Elektronika | 28 |
| Hutnictwo | 6 |
| Nauka o ziemi | 8 |
| Nauki o życiu | 1 |
| Nauki przyrodnicze | 2 |
| Ochrona środowiska | 5 |
| Pospolicie | 3 |
| Przemysł | 1 |
| Przemysł energetyczny | 1 |
| Technologia informacyjna | 7 |